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NAEP Analysis and Scaling → Estimation of Population and Student Group Distributions → Examining the Population-Structure Models Used in NAEP → Proportion of Scale Score Variance Accounted for by the Population-Structure Models → Proportion of Scale Score Variance Accounted for by the Population-Structure Models, Grade 8 Mathematics State Assessment (Accommodations Permitted [R3]): By Jurisdiction, 2000

NAEP Technical DocumentationProportion of scale score variance accounted for by the population-structure models, grade 8 mathematics state assessment (accommodations permitted [R3]): By jurisdiction, 2000

Jurisdiction	Number of principal components2	Proportion1 of scale score variance
		Number sense, properties, and operations	Measurement	Geometry and spatial sense	Data analysis, statistics, and probability	Algebra and functions
Alabama	224	0.71	0.77	0.70	0.72	0.73
Arizona	214	0.71	0.78	0.73	0.79	0.78
Arkansas	228	0.78	0.83	0.77	0.79	0.78
California	217	0.78	0.83	0.79	0.79	0.81
Connecticut	234	0.78	0.81	0.76	0.82	0.79
Georgia	236	0.73	0.78	0.76	0.78	0.76
Hawaii	206	0.78	0.82	0.80	0.85	0.82
Idaho	216	0.76	0.76	0.76	0.82	0.76
Illinois	206	0.73	0.80	0.75	0.79	0.77
Indiana	205	0.71	0.73	0.71	0.72	0.76
Kansas	198	0.78	0.76	0.71	0.78	0.76
Kentucky	228	0.72	0.70	0.71	0.73	0.73
Louisiana	227	0.73	0.79	0.76	0.77	0.74
Maine	220	0.70	0.75	0.71	0.73	0.73
Maryland	235	0.74	0.78	0.78	0.81	0.77
Massachusetts	234	0.73	0.77	0.73	0.77	0.78
Michigan	212	0.72	0.80	0.72	0.75	0.75
Minnesota	195	0.72	0.78	0.75	0.74	0.76
Mississippi	226	0.71	0.75	0.76	0.79	0.77
Missouri	229	0.75	0.81	0.72	0.82	0.78
Montana	188	0.78	0.81	0.80	0.82	0.78
Nebraska	202	0.79	0.83	0.77	0.82	0.76
Nevada	229	0.76	0.78	0.75	0.79	0.77
New Mexico	222	0.76	0.83	0.79	0.80	0.79
New York	212	0.81	0.84	0.81	0.80	0.77
North Carolina	242	0.73	0.76	0.69	0.79	0.77
North Dakota	200	0.80	0.85	0.79	0.84	0.79
Ohio	213	0.72	0.77	0.71	0.75	0.74
Oklahoma	226	0.71	0.75	0.71	0.75	0.74
Oregon	220	0.71	0.76	0.73	0.75	0.79
Rhode Island	207	0.80	0.83	0.82	0.83	0.80
South Carolina	229	0.74	0.82	0.74	0.77	0.77
Tennessee	221	0.72	0.74	0.74	0.76	0.77
Texas	233	0.79	0.77	0.73	0.78	0.77
Utah	234	0.74	0.75	0.74	0.78	0.77
Vermont	200	0.80	0.85	0.81	0.86	0.81
Virginia	241	0.73	0.79	0.74	0.81	0.76
West Virginia	230	0.77	0.81	0.75	0.82	0.78
Wyoming	209	0.81	0.83	0.79	0.83	0.78
Other jurisdictions
American Samoa	125	0.96	0.97	0.95	0.97	0.93
District of Columbia	179	0.84	0.89	0.85	0.88	0.85
DDESS3	146	0.91	0.94	0.92	0.92	0.90
DoDDS4	192	0.83	0.89	0.86	0.88	0.82
Guam	143	0.84	0.92	0.88	0.90	0.87
1 Proportion is (Total Variance - Residual Variance)/Total Variance. 2 Excluding the constant term. 3 Department of Defense Domestic Dependent Elementary and Secondary Schools. 4 Department of Defense Dependents Schools (Overseas).
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000 Mathematics Assessment.

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